ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,964, issued on July 21.
"Atmospheric carbon dioxide removal process" was invented by Rachel Bridges (Fort Worth, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is a method for removing carbon dioxide gas from ambient air using water and solid barium hydroxide in a reaction vessel. Incoming and outgoing water is supplied by freshwater and wastewater treatment plants through underground piping. The reaction vessel has an upper part and a jacket, which is heated by hydrogen gas. The vessel has a series of discharge ports on the upper part, and a conversion facility is located in an area of high greenhouse gas concentration. The bari...